Terahertz devices, nonlinear optics and applications (1)

[ALPS13-04(Invited)] Terahertz Optical Rectification and Second-Harmonic Generation at the Surface of Nonlinear Crystals

*Mathias Hedegaard Kristensen¹, Esben Skovsen¹, Emilie Hérault², Jean-Louis Coutaz^1,2 (1. Aalborg University, 2. Univ. Savoie Mont Blanc)

We study terahertz generation via optical rectification in reflection, both theoretically and experimentally. Then, we present a new methodology to detect the weak and possibly very broadband terahertz signal simultaneously with the reflected second-harmonic generation.